Roboguru

Jika vektor , vektor  yang memenuhi operasi  adalah ....

Pertanyaan

Jika vektor u with rightwards arrow on top equals open parentheses table row 4 row 6 end table close parentheses space dan space v with rightwards arrow on top equals open parentheses table row 3 row cell negative 1 end cell end table close parentheses, vektor w with rightwards arrow on top yang memenuhi operasi 3 v with rightwards arrow on top plus 2 w with rightwards arrow on top equals u with rightwards arrow on top minus v with rightwards arrow on top adalah ....

  1. open parentheses table row 4 row 5 end table close parentheses  

  2. open parentheses table row 4 row cell negative 5 end cell end table close parentheses  

  3. open parentheses table row cell negative 4 end cell row 5 end table close parentheses  

  4. open parentheses table row 4 row 1 end table close parentheses 

  5. open parentheses table row cell negative 4 end cell row 1 end table close parentheses  

Pembahasan Soal:

Diketahui, u with rightwards arrow on top equals open parentheses table row 4 row 6 end table close parentheses space dan space v with rightwards arrow on top equals open parentheses table row 3 row cell negative 1 end cell end table close parentheses, dan 3 v with rightwards arrow on top plus 2 w with rightwards arrow on top equals u with rightwards arrow on top minus v with rightwards arrow on top, maka

table attributes columnalign right center left columnspacing 0px end attributes row cell 3 open parentheses table row 3 row cell negative 1 end cell end table close parentheses plus 2 open parentheses table row cell w subscript 1 end cell row cell w subscript 2 end cell end table close parentheses end cell equals cell open parentheses table row 4 row 6 end table close parentheses minus open parentheses table row 3 row cell negative 1 end cell end table close parentheses end cell row cell open parentheses table row 9 row cell negative 3 end cell end table close parentheses plus open parentheses table row cell 2 w subscript 1 end cell row cell 2 w subscript 2 end cell end table close parentheses end cell equals cell open parentheses table row 1 row 7 end table close parentheses end cell row blank rightwards arrow cell 9 plus 2 w subscript 1 equals 1 end cell row cell 2 w subscript 1 end cell equals cell negative 8 end cell row cell w subscript 1 end cell equals cell negative 4 end cell row blank rightwards arrow cell negative 3 plus 2 w subscript 2 equals 7 end cell row cell 2 w subscript 2 end cell equals 10 row cell w subscript 2 end cell equals 5 row blank rightwards arrow cell w equals open parentheses table row cell negative 4 end cell row 5 end table close parentheses end cell end table

Jadi, jawaban yang tepat adalah C.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 27 April 2021

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